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141 lines
5.1 KiB
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141 lines
5.1 KiB
Plaintext
Python 1.5.1 for BeOS
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This directory contains several useful things to help you build your own
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version of Python for BeOS.
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At this time, Python only supports BeOS on the PowerPC platform; if you'd
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like to help me port it to the x86 platform, please let me know (I only
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have limited access to BeOS on an x86 system). If you'd like to lend
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me an x86 laptop running BeOS to do the port, _definitely_ let me know! :-)
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I'll even give it back when I'm done.
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What's Here?
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ar-1.1 - An "ar" command with a POSIX 1003.2 interface; you'll need
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this for building the Python libraries under BeOS
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(/bin/ar just won't cut it).
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linkcc - A shell script used by the build process to build the Python
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shared library.
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linkmodule - A shell script used by the build process to build the
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shared library versions of the standard modules; you'll
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probably need this if you want to build dynamically loaded
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modules from the Python archives.
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PyImport_BeImageID.html - Documentation for a function added to the
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Python interpreter under BeOS; not interesting
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unless you're writing your own BeOS-specific
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modules for dealing with dynamically-loaded
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Python modules.
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README - This file (obviously!).
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README.readline-2.2 - Instructions for compiling/installing GNU readline 2.2.
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You'll have to grab the GNU readline source code from
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prep.ai.mit.edu:/pub/GNU or any other GNU mirror.
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The Python interpreter is much nicer to work with
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interactively if you've got readline installed. Highly
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recommended.
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Compiling Your Own Version
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To compile your own version of Python 1.5.1 for BeOS (with any luck,
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Python 1.6 will compile "out of the box" on BeOS), try this:
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1) Get the Python 1.5.1 source code from ftp.python.org.
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2) Get the Python 1.5.1 diffs from my web pages
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(http://www.qnx.com/~chrish/Be/software/); if you can't get them through
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a web browser, send me email and I'll mail them back to you. These
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diffs should also be available at ftp.python.org along with the BeOS
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binary archive.
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Run autoconf. If you don't have autoconf, you can get a precompiled
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version from GeekGadgets (ftp://ftp.ninemoons.com/pub/geekgadgets/...).
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3) Compile and install the POSIX ar from the ar-1.1 directory; see the
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README in there for details.
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4) Configure with:
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AR=ar-posix RANLIB=: ./configure --verbose --without-gcc \
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--prefix=/boot/home/config --with-thread
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The only strange thing that happens during the configure is that
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we fail the "genuine getopt()" test; this is odd because we've got
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a real live GNU getopt() in the system libs. Other packages built
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using configure (such as all of the goodies in GeekGadgets) suffer
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the same fate though, so it's not a Python problem.
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5) Copy Modules/Setup.in to Modules/Setup.
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6) Edit Modules/Setup to turn on all the modules you want built. I've
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personally built the following modules:
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array, audioop, binascii, cPickle, cStringIO, cmath, crypt, curses,
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errno, fcntl, gdbm, grp, imageop, math, md5, new, operator, parser,
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pcre, posix, pwd, readline, regex, reop, rgbimg, rotor, select,
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signal, socket, soundex, strop, struct, syslog, termios, thread,
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time, timing, zlib
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Newly compiled/tested with 1.5.1:
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_locale
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You can get precompiled gdbm, ncurses, and zlib libraries from the
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GeekGadgets repository (ftp://ftp.ninemoons.com/pub/geekgadgets/...).
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Make sure you use _socket instead of socket for the name of the
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socketmodule on BeOS.
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7) Make:
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make
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or, if you feel the need for speed:
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make OPT="-O7 -opt schedule604"
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You can safely ignore any warnings you see during the build (and you'll
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see several if you use full warnings; I compiled the distribution with
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-w9 -ansi strict and cleaned up any errors...).
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8) Test:
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make test
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Expect the following errors:
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test_builtin failed -- round(1000000000.0)
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test_fcntl skipped -- an optional feature could not be imported
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test_grp crashed -- exceptions.KeyError : getgrnam(): name not found
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test_pwd failed -- Writing: 'fakename', expected: 'caught e'
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test_socket crashed -- exceptions.AttributeError : SOCK_RAW
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These are all due to either partial support for certain things (like
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sockets), or valid differences between systems (like the round()
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error; different CPUs represent floating point numbers differently,
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which can cause minor rounding errors).
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9) Install:
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make install
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10) Enjoy!
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NOTE
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If you're going to build your own C/C++-based Python modules, link them
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against the libpython1.5.so shared library (in /boot/home/config/lib)
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instead of the libpython1.5.a (in /boot/home/config/lib/python1.5/config),
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unless you're building a statically-linked python interpreter (then you
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could try linking against _APP_ instead).
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Mixing modules linked against the shared library with a statically-linked
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interpreter is a bad idea (and it'll fail in _interesting_ ways).
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- Chris Herborth (chrish@qnx.com)
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April 25, 1998
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